Home / 75,861.42-104,680.82-41,869.28

Finding the Fourth Proportional to 75,861.42, 104,680.82 and 41,869.28

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Solution

The fourth proportional to 75,861.42, 104,680.82 and 41,869.28 is: 57,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.42 : 104,680.82 = 41,869.28 : x
  2. Step 2: Convert to fraction form
    75,861.42/104,680.82 = 41,869.28/x
  3. Step 3: Cross multiply
    75,861.42x = 104,680.82 × 41,869.28
  4. Step 4: Simplify right side
    75,861.42x = 4,382,910,563.21
  5. Step 5: Solve for x
    x = 4,382,910,563.21/75,861.42
  6. Step 6: Final answer
    x = 57,775.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.